介绍了一种步进电动机的非线性自适应控制方案，设计了步进电动机非线性自适应位置控制器。
A nonlinear adaptive control scheme for stepping motors is presented, and a nonlinear adaptive position controller is designed.
这种新型位置传感器为进一步实现步进电动机闭环控制奠定了基础。
This type of rotor position sensor lays a foundation for the closed-loop control of step motor.
并通过FPGA设计的数字比较器，同步产生多路PWM电流波形，实现对四相步进电动机转角进行均匀细分控制。
The digital comparator designed with FPGA generates several PWM current waveform synchronously, to realize the step angles even division control for four-phase stepping motor.
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